TOKYO, Oct 13 (Reuters) - Yields on long-dated Japanese government bonds fell on Wednesday, tracking U.S. Treasury yields lower, but declines were capped in the absence of market-moving cues. The 10-year JGB yield fell 0.5 basis points to 0.085%, while the 20-year JGB yield fell 0.5 basis points to 0.465%. The yield on 10-year U.S. Treasury notes fell 2.1 basis points to 1.584% on Tuesday ahead of a key report on consumer prices to be released on Wednesday. The 30-year JGB yield fell 0.5 basis points to 0.690% and the 40-year JGB yield fell one basis point to 0.760%. Yields on shorter bonds were unchanged with the five-year bonds untraded and its yield remained at minus 0.080%. The two-year JGB yield was unchanged at minus 0.120%. Benchmark 10-year JGB futures barely moved at 151.25, with a trading volume of 18,559 lots. (Reporting by Tokyo markets team; Editing by Ramakrishnan M.) Our Standards: The Thomson Reuters Trust Principles.